Hi Danilo,

what version of UHD are you using and how exactly does your network
configuration look like?
Also, you might want to post this question to the usrp-users mailing list.

Cheers,
Julian

On 12/01/2016 11:29 AM, Danilo De Donno wrote:
> Dear all,
> for several days, I made attempts to run the GNUradio ofdm/tunnel.py
> example, without any success. I have GNUradio 3.7.10 installed on a
> Desktop PC connected to a USRP x310. Whenever I try to run the
> tunnel.py example and use ifconfig to set my IP address, I receive the
> following output on the terminal where tunnel.py was launched:
>  
> UHD Error:
>     x300 fw communication failure #1
>     EnvironmentError: IOError: x300 fw poke32 - reply timed out
> Tx: len(payload) =   90
> Tx: len(payload) =   70
> Tx: len(payload) =   90
> Tx: len(payload) =  110
> Tx: len(payload) =  107
> Tx: len(payload) =  190
> Tx: len(payload) =  351
> Tx: len(payload) =  207
>  
> UHD Error:
>     x300 fw communication failure #2
>     EnvironmentError: IOError: x300 fw poke32 - reply timed out
> Tx: len(payload) =  107
> Tx: len(payload) =  190
> Tx: len(payload) =   87
> Tx: len(payload) =  269
>  
> UHD Error:
>     x300 fw communication failure #3
>     EnvironmentError: IOError: x300 fw poke32 - reply timed out
>  
> UHD Error:
>     An unexpected exception was caught in a task loop.
>     The task loop will now exit, things may not work.
>     EnvironmentError: IOError: x300 fw communication failure #3
>     EnvironmentError: IOError: x300 fw poke32 - reply timed out
> Tx: len(payload) =  333
>  
>  
> Then, the system hangs at this point and I’m not able to stop the
> execution, even with CTRL-C. I have to force CTRL-Z with consequent PC
> restart. Could you help me to figure out what is going wrong? Could
> you provide me with a working script or a solution to this problem?
>  
> Thanks a lot in advance for your help.
>  
> Best,
> Danilo
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio



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